#import <Cocoa/Cocoa.h>

@class BWQueenStitch;

@interface BWQueenStitchSet : NSObject <NSCoding>
{
    NSMutableSet *stitches;
}

- (void) addStitch: (BWQueenStitch *) stitch;
- (NSEnumerator *) objectEnumerator;
- (BWQueenStitch *) anyStitch;

- (BWQueenStitch *) stitchAtX: (int) x  y: (int) y;
- (void) removeStitch: (BWQueenStitch *) stitch;

- (void) shiftStitchesHorizontally: (int) hcount
                        vertically: (int) vcount;

@end // BWQueenStitchSet

